ML20028G283

LER 82-053/03L-0:on 821229,fuel Storage Well Pressure Exceeded Atmospheric Pressure While Reactor Was Shut Down. Caused by One Gas Compressor Being Out of Svc for Maint and Other Pumping Less than Capacity.Compressors Repaired

ML20028G283
Person / Time
Site:	Fort Saint Vrain
Issue date:	01/28/1983
From:	Fuller C PUBLIC SERVICE CO. OF COLORADO
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML20028G276	List: ML20028G275 ML20028G283
References
LER-82-053-03L, LER-82-53-3L, NUDOCS 8302070591
Download: ML20028G283 (1)

Text

NRC FORM 366 U. S. NUCLE AR RE!ULATORY COMMISSION 87 771

• LICENSEE EVENT REPORT l

CONTROL BLOCK: l l l l l l (PLEASE PRINT OR TYPE ALL REQUIREO INFORMATIONI l

l0 l t8l 9l C l 0siCENSEE F

l F l CODES l V l 141 l@l 16 0 l 0 l - l 0 LecENSE l 0 l 0NuveER l 0 l 0 l - l 0 l 023l@!264 l 1LICENSE l 1 l TYPE z I nJol@lblCAT$d l l@

con'T ITT R Z "' I L jgl 0 l 5 l 0 l 0 l 0 l 2 l o l 7 l@l 1 l 2 l 2 l 9 l d l 2 l@l 0 l REPORT 74 75 1 l 2181813 DATE 80 l@

l # 60 61 DOCK ET NUYSER 6d 69 EVENT DATE EVENT oESCRIPTioN AND pro 8 ABLE CONSEQUENCES p;; r j l 0n December 29,1982, at 2200 hours0.0255 days <br />0.611 hours <br />0.00364 weeks <br />8.371e-4 months <br />,h with the reactor shutdown, the pressure in the I .

,o,3,  ;

fuel storage wells slightly exceeded atmospheric pressure and remained above atmos- l g , pheric pressure until 0800 hours0.00926 days <br />0.222 hours <br />0.00132 weeks <br />3.044e-4 months <br /> on December 30, 1982. This constitutes a degraded l g , mode of LC0 4.7.J(c) and is reportable per Fort St. Vrain Technical Specification l

, g i, y i AC 7.5.2(b)2. No accompanying occurrence. No effect on public health or safety. l

Related report is R0 82-050. l rm i _

l

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• CS'E COOE s'sCEE cot *PONENT CODE SUB OOE 5 E o 9 I F I B l@ [E_j@ [B_J @ l B l tl Ol WI El RI@ LIJ@ LLJ @

F 8 9 10 il 12 13 18 19 20

_ sEOUENTIAL OCCURRENCE REPORT REVISION LER RO EVENTVEAR REPORT NO. CODE TYPE N O.

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L__j 10 15 13 l y l 0131 Lt_] L--J Lo_J

_2n 22 2J 24 26 27 28 29 33 31 32 AK AC O ON PL NT MET D HOURS S8 IT POR 8. su LI R MANUFAC RER ID[g[J4ZJ@  !!J@ LZj@ l Oi 01 Oi 01 LJJ@ LtLJ@ Lt!]@ lN11l9l2l@

J3 h 36 37 40 41 42 43 44 47 C.AUSE OESCRIPTioN AND CORRECTIVE ACTtoNS h g l0ne gas waste compressor was out of service for maintenance. The second compressor l

, , gwas punping at less than rated capacity and could not accomodate all system inputs at l

, , , that time. Both compressors were repaired and returned to nomal service. The com- l L'_LJ lpressors are Norwalk, Type TR-S3r, size 9 x 8. No further corrective action is l 1 l

, ,  ; anticipated or required. l C

'sTSEs* sPOwER OTwER snTur @ 5'ssifv' DisCOvERv oEsCRiPTiON @

i s [G,j @ l 01 0l Ol @ l N/A l Laj@l Onoratne Ohtervatinn l

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• AETiviTv CO RENT AVOUNT 08 Activity LOCATION JF RCLEAsE i o RELEsED OF RE(E AsE L_J @ 10Lij@l N/A l l N/A l F S 9 ft 44 45 80 PERSONNEL EIIPOsVREs 7

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• l PE RsONNE't mau%Es 8302070591 830128 NuvaER oEsCRiPTiON@ PDR ADOCK 05000267 i 4 N/A S PDR 8 9 l 0 l 0 l 011l@l12 l 7 80 Y PE DEsCR PT ON i o 8 9 l Z l@l10 N/A l 7 80 OtsCRIPTION

• o iswt[81 LtL N/A I 111111111!!!11 NAME OF PREPARER PHONE: (30 785-2224

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